CN101465441A - Lithium sulphur battery using graphite as cathode and preparation method thereof - Google Patents
Lithium sulphur battery using graphite as cathode and preparation method thereof Download PDFInfo
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- CN101465441A CN101465441A CNA2009100765290A CN200910076529A CN101465441A CN 101465441 A CN101465441 A CN 101465441A CN A2009100765290 A CNA2009100765290 A CN A2009100765290A CN 200910076529 A CN200910076529 A CN 200910076529A CN 101465441 A CN101465441 A CN 101465441A
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- lithium
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- positive plate
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- graphite
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- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 title claims abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 22
- 239000010439 graphite Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 47
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000003792 electrolyte Substances 0.000 claims abstract description 17
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 239000012982 microporous membrane Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000005518 electrochemistry Effects 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 239000011888 foil Substances 0.000 abstract description 2
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 21
- 239000000853 adhesive Substances 0.000 description 12
- 230000001070 adhesive effect Effects 0.000 description 12
- 239000006258 conductive agent Substances 0.000 description 12
- 239000002002 slurry Substances 0.000 description 12
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000011258 core-shell material Substances 0.000 description 6
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 6
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000007774 positive electrode material Substances 0.000 description 6
- 229910013870 LiPF 6 Inorganic materials 0.000 description 5
- 239000005864 Sulphur Substances 0.000 description 5
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 210000001787 dendrite Anatomy 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- MAHNFPMIPQKPPI-UHFFFAOYSA-N disulfur Chemical compound S=S MAHNFPMIPQKPPI-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The invention discloses a lithium-sulfur battery which takes graphite as a cathode and a preparation method thereof in the technical field of new energy. The lithium-sulfur battery which takes graphite as the cathode comprises an anode and a cathode; the lithium-sulfur battery is characterized in that: the anode is a lithium-embedded positive plate; the preparation method of the lithium-embedded positive plate is that: in the dry air or dry inert gas environment, a diaphragm is placed between the positive plate and lithium foil, and is wound or laminated into a battery cell which is placed in the battery shell, and then electrolyte is poured in, the battery is sealed, thus obtaining the electrochemical lithium-embedded positive plate. Lithium source is supplemented in the sulfur anode in advance by electrochemical lithium embedding, thus being capable of adopting graphite electrode with stable structure and no lithium source, preventing from using lithium metal cathode with high activity and improving the safety and cyclical stability of the lithium-sulfur battery; the preparation cost is low and the technique process is simple, therefore, the lithium-sulfur battery has high using value.
Description
Technical field
The invention belongs to technical field of new energies, particularly a kind of is the lithium-sulfur cell and preparation method thereof of negative pole with graphite.
Background technology
In recent years, demand for development littler, lighter and more high performance electronic and communication apparatus is developed as high-performance and the jumbo secondary cell that this equipment provides power supply.The most interesting is lithium-sulfur cell, because compare with other batteries, lithium-sulfur cell has the highest theoretical energy density.In addition, sulphur is the abundant and cheap material in source, and environmentally friendly.
Conventional lithium-sulfur rechargeable battery adopts has the active material of the sulphur compound of sulphur-sulfide linkage as positive pole, and lithium metal is as the active material of negative pole, and the lithium source in the battery is provided by lithium anode.The theoretical specific capacity of lithium metal is being used for having quite tempting prospect aspect the high energy lithium-sulfur cell negative pole up to 3860mAh/g.But safety issue has restricted the application of lithium anode, and it is mainly derived from following two aspects:
(1) chemical instability of lithium metal.Lithium metal has higher chemical reactivity and lower fusing point, and this makes and the vigorous reaction of lithium metal and electrolyte and air very easily takes place under contingency or the abuse condition, thereby causes blast;
Very easily form Li dendrite when (2) lithium metal deposits.This makes lithium secondary battery in charge and discharge process, when Li dendrite grows into can pierce through electrolyte membrance the time, internal short-circuit of battery takes place easily, sets off an explosion then.
Graphite material has Stability Analysis of Structures, wide material sources, and cost is low, has the low characteristics of tangible charge and discharge platform and plateau potential, will help keeping high voltage, the high power capacity of battery, the feature of high cyclical stability with it as the negative pole of lithium-sulfur rechargeable battery.The negative material of commercialization lithium ion battery is graphitized carbon material at present, comprises electrographite and native graphite.
If with the negative pole of graphite material as lithium-sulfur rechargeable battery, owing to do not contain the lithium source in the entire cell system, can't form a lithium-ion battery systems, must take measures in battery system, to replenish the lithium source.
Summary of the invention
The purpose of this invention is to provide a kind of is the lithium-sulfur cell and preparation method thereof of negative pole with graphite.
A kind of is the lithium-sulfur cell of negative pole with graphite, comprises positive pole and negative pole, it is characterized in that the positive plate of described just very embedding lithium.
The preparation of the positive plate of described embedding lithium is in dry air or dry inert gas environment, polypropylene or polyethene microporous membrane are put between the lithium paper tinsel of positive plate and 0.05～0.2mm, coiling or lamination become electric core, put into battery case, inject electrolyte, battery seal, through discharge first, discharging current is 0.01～1C first, and final discharging voltage is 0.5～1.5V, battery is taken apart, obtained the positive plate of electrochemistry embedding lithium.
Described inert gas is argon gas or nitrogen.
Beneficial effect of the present invention is:
Its core technology of preparation method provided by the invention is to replenish the lithium source in advance by electrochemistry embedding lithium in the sulphur positive pole, thereby can adopt the constitutionally stable graphite cathode in no lithium source, avoid using highly active lithium anode, thereby improved the fail safe and the cyclical stability of lithium-sulfur cell.
Preparation cost of the present invention is low, technological process is simple, has very big using value, is a kind of efficient, low-cost, the technology of preparing that is suitable for the lithium-sulfur cell of suitability for industrialized production that proposes for the performance that improves lithium-sulfur cell.
Embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1
A kind of is the lithium-sulfur cell of negative pole with graphite, comprises positive pole and negative pole, the positive plate of described just very embedding lithium.
A kind of is the preparation method of the lithium-sulfur cell of negative pole with graphite, and this method step is as follows,
(1) preparation negative plate: will add in the entry as high power capacity spherical natural graphite, butadiene-styrene rubber adhesive and the carbon black conductive agent of negative active core-shell material, negative active core-shell material: adhesive: conductive agent: the weight ratio of water is 95:2:1:150, mixing in ball mill becomes slurry, the slurry blade coating on the Copper Foil collector, is made negative plate;
(2) preparation positive plate: will add in the entry as the sublimed sulfur of positive electrode active materials, butadiene-styrene rubber adhesive with as the carbon black of conductive agent, positive electrode active materials: adhesive: conductive agent: the weight ratio of water is 70:8:20:120, mixing in ball mill becomes slurry, the slurry blade coating on aluminum foil current collector, is made positive plate;
(3) anodal embedding lithium: in the drying nitrogen environment, will put into positive plate and thickness is between the lithium paper tinsel of 0.15mm as the polyethene microporous membrane of barrier film, and be wound into electric core, and put into battery case, and inject electrolyte, electrolyte is 1mol/L LiPF
6At ethylene carbonate, dimethyl carbonate, the mixed solution in the methyl ethyl carbonate (volume ratio is 1:1:1), battery seal, through discharge first, discharging current is 0.05C first, final discharging voltage is 1.0V (with respect to a lithium metal), and battery is taken apart, obtains the positive plate of electrochemistry embedding lithium;
(4) battery assembling: in hothouse, will put between embedding lithium positive plate and the negative plate as the polyethene microporous membrane of barrier film, and be wound into electric core, and put into battery case, and inject electrolyte, electrolyte is 1mol/L LiPF
6At ethylene carbonate, dimethyl carbonate, the mixed solution in the methyl ethyl carbonate (volume ratio is 1:1:1), battery seal, obtaining after discharging and recharging activation with graphite is the lithium-sulfur cell of negative pole.
Embodiment 2
A kind of is the lithium-sulfur cell of negative pole with graphite, comprises positive pole and negative pole, the positive plate of described just very embedding lithium.
A kind of is the preparation method of the lithium-sulfur cell of negative pole with graphite, and this method step is as follows,
(1) preparation negative plate: will add in the entry as electrographite, butadiene-styrene rubber adhesive and the carbon black conductive agent of negative active core-shell material, negative active core-shell material: adhesive: conductive agent: the weight ratio of water is 95:2:1:150, mixing in ball mill becomes slurry, the slurry blade coating on the Copper Foil collector, is made negative plate;
(2) preparation positive plate: will add in the solvent N-methyl pyrrolidone as the sublimed sulfur of positive electrode active materials, Kynoar adhesive with as the carbon black of conductive agent, positive electrode active materials: adhesive: conductive agent: the weight ratio of solvent is 70:10:20:120, mixing in ball mill becomes slurry, the slurry blade coating on the nickel foil collector, is made positive plate;
(3) anodal embedding lithium: in the dry argon gas environment, will put between the lithium paper tinsel of positive plate and 0.1mm as the polyethene microporous membrane of barrier film, and be wound into electric core, and put into battery case, and inject electrolyte, electrolyte is 1mol/LLiPF
6At ethylene carbonate, dimethyl carbonate, the mixed solution in the methyl ethyl carbonate (volume ratio is 1:1:1), battery seal, through discharge first, discharging current is 0.1C first, final discharging voltage is 1.5V (with respect to a lithium metal), and battery is taken apart, obtains the positive plate of electrochemistry embedding lithium;
(4) battery assembling: in hothouse, will put between embedding lithium positive plate and the negative plate as the polyethene microporous membrane of barrier film, and be wound into electric core, and put into battery case, and inject electrolyte, electrolyte is 1mol/L LiPF
6At ethylene carbonate, dimethyl carbonate, the mixed solution in the methyl ethyl carbonate (volume ratio is 1:1:1), battery seal, obtaining after discharging and recharging activation with graphite is the lithium-sulfur cell of negative pole.
Embodiment 3
A kind of is the lithium-sulfur cell of negative pole with graphite, comprises positive pole and negative pole, the positive plate of described just very embedding lithium.
A kind of is the preparation method of the lithium-sulfur cell of negative pole with graphite, and this method step is as follows,
(1) preparation negative plate: will add in the entry as electrographite, butadiene-styrene rubber adhesive and the carbon black conductive agent of negative active core-shell material, negative active core-shell material: adhesive: conductive agent: the weight ratio of water is 95:2:1:150, mixing in ball mill becomes slurry, the slurry blade coating on the Copper Foil collector, is made negative plate;
(2) preparation positive plate: will be; butadiene-styrene rubber adhesive and add in the entry; positive electrode active materials: adhesive: conductive agent: the weight ratio of water is 70:10:20:120; mixing in ball mill becomes slurry; the slurry blade coating on the nickel foil collector, is made positive plate as the carbon black of conductive agent as the sulphur/polyacrylonitrile composite material of positive electrode active materials; Wherein, sulphur/polyacrylonitrile composite material is that sublimed sulfur is mixed by weight 4:1 with polyacrylonitrile, and under argon gas atmosphere, the processing in 3 hours of 300 ℃ of constant temperature obtains;
(3) anodal embedding lithium: in hothouse, will put between the lithium paper tinsel of positive plate and 0.2mm as the polyethene microporous membrane of barrier film, and be wound into electric core, and put into battery case, and inject electrolyte, electrolyte is 1mol/L LiPF
6At ethylene carbonate, dimethyl carbonate, the mixed solution in the methyl ethyl carbonate (volume ratio is 1:1:1), battery seal, through discharge first, discharging current is 0.1C first, final discharging voltage is 0.5V (with respect to a lithium metal), and battery is taken apart, obtains the positive plate of electrochemistry embedding lithium;
(4) battery assembling: in hothouse, will put between embedding lithium positive plate and the negative plate as the polyethene microporous membrane of barrier film, and be wound into electric core, and put into battery case, and inject electrolyte, electrolyte is 1mol/L LiPF
6At ethylene carbonate, dimethyl carbonate, the mixed solution in the methyl ethyl carbonate (volume ratio is 1:1:1), battery seal, obtaining after discharging and recharging activation with graphite is the lithium-sulfur cell of negative pole.
Claims (3)
1, a kind of is the lithium-sulfur cell of negative pole with graphite, comprises positive pole and negative pole, it is characterized in that, the positive plate of described just very embedding lithium.
2, a kind of is the preparation method of the lithium-sulfur cell of negative pole with graphite, it is characterized in that, the preparation of the positive plate of described embedding lithium is in dry air or dry inert gas environment, polypropylene or polyethene microporous membrane are put between the lithium paper tinsel of positive plate and 0.05～0.2mm, coiling or lamination become electric core, put into battery case, inject electrolyte, battery seal, through discharge first, discharging current is 0.01～1C first, and final discharging voltage is 0.5～1.5V, battery is taken apart, obtained the positive plate of electrochemistry embedding lithium.
3, a kind of is the preparation method of the lithium-sulfur cell of negative pole with graphite, it is characterized in that, described inert gas is argon gas or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100765290A CN101465441B (en) | 2009-01-06 | 2009-01-06 | Preparation method of lithium sulphur battery using graphite as cathode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100765290A CN101465441B (en) | 2009-01-06 | 2009-01-06 | Preparation method of lithium sulphur battery using graphite as cathode |
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| Publication Number | Publication Date |
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| CN101465441A true CN101465441A (en) | 2009-06-24 |
| CN101465441B CN101465441B (en) | 2010-11-10 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368561A (en) * | 2011-10-20 | 2012-03-07 | 中国科学院化学研究所 | Chargeable and dischargeable lithium sulfur cell |
| US8889293B2 (en) | 2012-05-11 | 2014-11-18 | Tsinghua University | Lithium ion battery |
| CN104659410A (en) * | 2015-02-26 | 2015-05-27 | 广东烛光新能源科技有限公司 | Lithium-sulfur battery and preparation method thereof |
| CN104681854A (en) * | 2015-02-26 | 2015-06-03 | 广东烛光新能源科技有限公司 | Naked cell, finished cell and preparation method of lithium-sulfur battery |
| CN105609742A (en) * | 2016-03-04 | 2016-05-25 | 河北工业大学 | Positive electrode material for sulfur-based lithium ion battery and preparation method and application of positive electrode material |
| US9450234B2 (en) | 2012-05-15 | 2016-09-20 | Tsinghua University | Voltage cycling method for lithium ion battery comprising sulfur polymer composite in active material |
| CN107611441A (en) * | 2017-08-14 | 2018-01-19 | 合肥国轩高科动力能源有限公司 | Technical method for improving first efficiency of lithium ion full battery |
| CN108281659A (en) * | 2018-01-18 | 2018-07-13 | 中国计量大学 | Sulphur anode and lithium-sulfur cell |
| CN110444734A (en) * | 2019-06-26 | 2019-11-12 | 南京大学 | Silicon sulphur battery prelithiation method |
| WO2020228234A1 (en) * | 2019-05-10 | 2020-11-19 | 深圳技术大学 | Four-electrode lithium-sulfur battery and preparation method therefor, and electrode electrochemical property monitoring method |
| CN111961438A (en) * | 2020-08-26 | 2020-11-20 | 华南农业大学 | Electrostatic combined aqueous binder and application thereof in lithium ion battery |
| CN112992555A (en) * | 2019-12-13 | 2021-06-18 | 中国科学院大连化学物理研究所 | Electrode with residual ions, preparation and application |
| CN113871728A (en) * | 2021-09-15 | 2021-12-31 | 湖南立方新能源科技有限责任公司 | Lithium ion battery and preparation method thereof |
-
2009
- 2009-01-06 CN CN2009100765290A patent/CN101465441B/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368561A (en) * | 2011-10-20 | 2012-03-07 | 中国科学院化学研究所 | Chargeable and dischargeable lithium sulfur cell |
| US8889293B2 (en) | 2012-05-11 | 2014-11-18 | Tsinghua University | Lithium ion battery |
| US9450234B2 (en) | 2012-05-15 | 2016-09-20 | Tsinghua University | Voltage cycling method for lithium ion battery comprising sulfur polymer composite in active material |
| CN104659410A (en) * | 2015-02-26 | 2015-05-27 | 广东烛光新能源科技有限公司 | Lithium-sulfur battery and preparation method thereof |
| CN104681854A (en) * | 2015-02-26 | 2015-06-03 | 广东烛光新能源科技有限公司 | Naked cell, finished cell and preparation method of lithium-sulfur battery |
| CN105609742B (en) * | 2016-03-04 | 2018-06-22 | 河北工业大学 | A kind of sulfenyl anode material for lithium-ion batteries and its preparation method and application |
| CN105609742A (en) * | 2016-03-04 | 2016-05-25 | 河北工业大学 | Positive electrode material for sulfur-based lithium ion battery and preparation method and application of positive electrode material |
| CN107611441B (en) * | 2017-08-14 | 2020-12-11 | 合肥国轩高科动力能源有限公司 | Technical method for improving first efficiency of lithium ion full battery |
| CN107611441A (en) * | 2017-08-14 | 2018-01-19 | 合肥国轩高科动力能源有限公司 | Technical method for improving first efficiency of lithium ion full battery |
| CN108281659A (en) * | 2018-01-18 | 2018-07-13 | 中国计量大学 | Sulphur anode and lithium-sulfur cell |
| WO2020228234A1 (en) * | 2019-05-10 | 2020-11-19 | 深圳技术大学 | Four-electrode lithium-sulfur battery and preparation method therefor, and electrode electrochemical property monitoring method |
| CN110444734A (en) * | 2019-06-26 | 2019-11-12 | 南京大学 | Silicon sulphur battery prelithiation method |
| CN110444734B (en) * | 2019-06-26 | 2021-06-22 | 南京大学 | Pre-lithiation method for silicon-sulfur battery |
| CN112992555A (en) * | 2019-12-13 | 2021-06-18 | 中国科学院大连化学物理研究所 | Electrode with residual ions, preparation and application |
| CN111961438A (en) * | 2020-08-26 | 2020-11-20 | 华南农业大学 | Electrostatic combined aqueous binder and application thereof in lithium ion battery |
| CN111961438B (en) * | 2020-08-26 | 2021-11-05 | 华南农业大学 | Electrostatic combined aqueous binder and application thereof in lithium ion battery |
| CN113871728A (en) * | 2021-09-15 | 2021-12-31 | 湖南立方新能源科技有限责任公司 | Lithium ion battery and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101465441B (en) | 2010-11-10 |
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